Vet is probably a very good example of economies of scale. I remember a vet in my town in Brazil complaining how hard it is if he get ill (or take vacations i p

Vet is probably a very good example of economies of scale. I remember a vet in my town in Brazil complaining how hard it is if he get ill (or take vacations i presume), that he will lose his customers and how much he regretted not becoming a state employee.